19808230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8963}}^1$

素因数の和:9000

約数の個数: 32

約数和(自身を含む): 40660704

約数和(自身を除く): 20852474

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8963, 17926, 44815, 89630, 116519, 152371, 233038, 304742, 582595, 761855, 1165190, 1523710, 1980823, 3961646, 9904115, 19808230]

約数ペア:

[(1, 19808230), (2, 9904115), (5, 3961646), (10, 1980823), (13, 1523710), (17, 1165190), (26, 761855), (34, 582595), (65, 304742), (85, 233038), (130, 152371), (170, 116519), (221, 89630), (442, 44815), (1105, 17926), (2210, 8963)]